They are also buying it because they know the suckers (US) have to pick up the tab. Even if restructured they want us to CONTINUE to do so. Great graphic!
http://blogs.reuters.com/rolfe-winkler/2009/09/01/bailout-profit-is-taxpayers-loss/
http://market-ticker.denninger.net/archives/1398-McStupid-Mortgage-Bankers-Association.html